package com.atguigu.cloud.config;

import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.cloud.loadbalancer.annotation.LoadBalancerClient;
import org.springframework.cloud.loadbalancer.core.RandomLoadBalancer;
import org.springframework.cloud.loadbalancer.core.ReactorLoadBalancer;
import org.springframework.cloud.loadbalancer.core.ServiceInstanceListSupplier;
import org.springframework.cloud.loadbalancer.support.LoadBalancerClientFactory;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.core.env.Environment;
import org.springframework.web.client.RestTemplate;

/**
 * @author 23087
 */
@Configuration
//@LoadBalancerClient(
//        //下面的value值大小写一定要和consul里面的名字一样，必须一样
//        value = "cloud-payment-service",configuration = RestTemplateConfig.class)
public class RestTemplateConfig {

    @Bean
    @LoadBalanced //使用@LoadBalanced注解赋予RestTemplate负载均衡的能力
    public RestTemplate restTemplate() {
        return new RestTemplate();
    }

//    /**
//     * 设置随机访问算法 ---> 默认是 轮询算法
//     * @param environment
//     * @param loadBalancerClientFactory
//     * @return
//     */
//    @Bean
//    ReactorLoadBalancer<ServiceInstance> randomLoadBalancer(Environment environment,
//                                                            LoadBalancerClientFactory loadBalancerClientFactory) {
//        String name = environment.getProperty(LoadBalancerClientFactory.PROPERTY_NAME);
//
//        return new RandomLoadBalancer(loadBalancerClientFactory.getLazyProvider(name, ServiceInstanceListSupplier.class), name);
//    }

}
